Emissions NotesRACING HEDDER! Not legal for use on pollution controlled vehicles.

FinishRaw

Flange StyleStandard

FLANGE Thickness0.375"

Head Flange Gasket18166

Header StyleLong Tube

Notes88-99 GM C10, 1500 Truck 283-400 4WD

Power SteeringYes

Product InfoRACING HEDDER! Not legal for use on pollution controlled vehicles.

MaterialMild Steel

Tube DesignLong Tube Race Headers

Tube LengthLONG Tubes

Tube Material Thickness18g

Tube Size1-3/4"

with A.I.R. SystemNo

with EGRNo

Weld-UpNo

Reducer Outlet Size2-1/2"

TunedNO

Reducers IncludedYes

Gasket Or Seal IncludedYes

Bolts/Studs IncludedYes

Transmission Mount/Crossmember IncludedNo

Motor Mounts IncludedNO

Crossover Pipe IncludedNO

Y-Pipe IncludedNo

Catalytic Converter(s) IncludedNo

QuantitySold as a set.

Primary Tube Gauge18g

Primary Tube Diameter (in)1.75"

Package ContentsPair of Headers, Gaskets & Mounting Hardware

Header MaterialMild Steel

Header FinishRaw

Gasket #18166

Vehicle Applications

Chevrolet

K1500

Year

Submodel

C.I.D.

Liter

Cylinders

1999

LS

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

LS

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

LS

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

LS

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Base

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Base

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Base

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Base

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Base

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Base

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Base

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Base

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Cheyenne

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Cheyenne

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Cheyenne

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Cheyenne

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

GMC

K1500

Year

Submodel

C.I.D.

Liter

Cylinders

1999

Sierra SL

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

Sierra SL

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

Sierra SL

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1999

Sierra SL

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1998

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1997

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1996

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Sierra SL

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Sierra SL

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Sierra SL

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1995

Sierra SL

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Sierra SL

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Sierra SL

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Sierra SL

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1994

Sierra SL

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1993

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1992

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1991

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1990

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1989

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Sierra

305

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Sierra

350

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Sierra

5.0

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.

1988

Sierra

5.7

8

Vehicle Specific Information

Air Conditioning

Yes

Power Steering

Yes

Auto Transmission - Column

Yes

Auto Transmission - Floor

Yes

Manual Transmission - Column

Yes

Manual Transmission - Floor

Yes

Drivetrain

4WD

Footnotes

(105) Fits new angle plug heads, w/ raised exhaust ports.(47) Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892.(51) Under chassis exit.(68) Race Car Hedder with Slip-on Collector(69) Flange may need to be cut between ports to install. Do not cut between twin ports.(76) Hedders come with street hook-ups.